Anoop Sam John created HBASE-24695:
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Summary: FSHLog - close the current WAL file in a background thread
Key: HBASE-24695
URL: https://issues.apache.org/jira/browse/HBASE-24695
Project: HBase
Issue Type: Improvement
Reporter: Anoop Sam John
Assignee: Anoop Sam John
We have this as a TODO in code already
{code}
// It is at the safe point. Swap out writer from under the blocked writer
thread.
// TODO: This is close is inline with critical section. Should happen in
background?
if (this.writer != null) {
oldFileLen = this.writer.getLength();
try {
TraceUtil.addTimelineAnnotation("closing writer");
this.writer.close();
TraceUtil.addTimelineAnnotation("writer closed");
this.closeErrorCount.set(0);
}
{code}
This close call in critical section and writes are blocked. Lets move this
close call into another WALCloser thread.
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